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cardbusvar.h revision 1.55
      1 /*	$NetBSD: cardbusvar.h,v 1.55 2011/08/01 11:20:27 drochner Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998, 1999 and 2000
      5  *       HAYAKAWA Koichi.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_CARDBUS_CARDBUSVAR_H_
     30 #define _DEV_CARDBUS_CARDBUSVAR_H_
     31 
     32 #include <dev/cardbus/cardbusreg.h>
     33 #include <dev/cardbus/rbus.h>
     34 
     35 struct {
     36 	int dummy;
     37 } cardbus_chipset_tag;
     38 
     39 typedef struct cardbus_chipset_tag *cardbus_chipset_tag_t;
     40 
     41 /*
     42  * struct cardbus_functions contains the pointers for basic cardbus
     43  * functions.  Those functions must be provided by cardbus bridge.
     44  * The child devices can use those functions.  The contained functions
     45  * are: cardbus_space_alloc, cardbus_space_free,
     46  * cardbus_intr_establish, cardbus_intr_disestablish, cardbus_ctrl,
     47  * cardbus_power, cardbus_make_tag, and cardbus_conf_write.
     48  *
     49  *	int (*cardbus_space_alloc)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     50  *	    bus_addr_t addr, bus_size_t size,
     51  *	    bus_addr_t mask, bus_size_t align,
     52  *	    int flags, bus_addr_t *addrp,
     53  *	    bus_space_handle_t *bshp);
     54  *
     55  *	int (*cardbus_space_free)(cardbus_chipset_tag_t ct, rbus_tag_t rb,
     56  *	    bus_space_handle_t, bus_size_t);
     57  *
     58  * cardbus_space_alloc and cardbus_space_free allocates and
     59  * disallocate bus space for the requesters.
     60  *
     61  *	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t ct, int irq,
     62  *	     int level, int (*ih)(void *), void *sc);
     63  *
     64  *	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t ct, void *ih);
     65  *	int (*cardbus_ctrl)(cardbus_chipset_tag_t ct, int command);
     66  *	int (*cardbus_power)(cardbus_chipset_tag_t ct, int voltage);
     67  *
     68  *	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t ct,
     69  *	    int busno, int functionno);
     70  *	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t ct,
     71  *	    pcitag_t tag, int offs);
     72  *	void (*cardbus_conf_write)(cardbus_chipset_tag_t ct,
     73  *	    pcitag_t tag, int offs, pcireg_t val);
     74  */
     75 typedef const struct cardbus_functions {
     76 	int (*cardbus_space_alloc)(cardbus_chipset_tag_t, rbus_tag_t,
     77 	    bus_addr_t, bus_size_t, bus_addr_t, bus_size_t,
     78 	    int, bus_addr_t *, bus_space_handle_t *);
     79 	int (*cardbus_space_free)(cardbus_chipset_tag_t, rbus_tag_t,
     80 	    bus_space_handle_t, bus_size_t);
     81 	void *(*cardbus_intr_establish)(cardbus_chipset_tag_t,
     82 	    int, int (*)(void *), void *);
     83 	void (*cardbus_intr_disestablish)(cardbus_chipset_tag_t, void *);
     84 	int (*cardbus_ctrl)(cardbus_chipset_tag_t, int);
     85 	int (*cardbus_power)(cardbus_chipset_tag_t, int);
     86 
     87 	pcitag_t (*cardbus_make_tag)(cardbus_chipset_tag_t, int, int);
     88 	pcireg_t (*cardbus_conf_read)(cardbus_chipset_tag_t,
     89 	    pcitag_t, int);
     90 	void (*cardbus_conf_write)(cardbus_chipset_tag_t, pcitag_t,
     91 	    int, pcireg_t);
     92 } cardbus_function_t, *cardbus_function_tag_t;
     93 
     94 /*
     95  * struct cbslot_attach_args is the attach argument for Cardbus cardslot.
     96  */
     97 struct cbslot_attach_args {
     98 	bus_space_tag_t cba_iot;	/* cardbus i/o space tag */
     99 	bus_space_tag_t cba_memt;	/* cardbus mem space tag */
    100 	bus_dma_tag_t cba_dmat;		/* DMA tag */
    101 
    102 	int cba_bus;			/* cardbus bus number */
    103 
    104 	cardbus_chipset_tag_t cba_cc;	/* cardbus chipset */
    105 	cardbus_function_tag_t cba_cf; /* cardbus functions */
    106 
    107 	rbus_tag_t cba_rbus_iot;	/* CardBus i/o rbus tag */
    108 	rbus_tag_t cba_rbus_memt;	/* CardBus mem rbus tag */
    109 
    110 	int cba_cacheline;		/* cache line size */
    111 	int cba_max_lattimer;		/* No card's latency timer may
    112 					 * exceed this.  On a PCI-Cardbus
    113 					 * bridge, I let the latency timer on
    114 					 * the primary bus (PCI bus) set
    115 					 * the maximum.  That is kind of an
    116 					 * arbitrary choice.  A more sensible
    117 					 * choice may be either the
    118 					 * latency timer on the primary bus,
    119 					 * or the bridge's buffer size,
    120 					 * whichever is larger.
    121 					 */
    122 };
    123 
    124 
    125 struct cardbus_devfunc;
    126 
    127 /*
    128  * struct cardbus_softc is the softc for cardbus card.
    129  */
    130 struct cardbus_softc {
    131 	device_t sc_dev;		/* fundamental device structure */
    132 
    133 	int sc_bus;			/* cardbus bus number */
    134 
    135 	bus_space_tag_t sc_iot;		/* CardBus I/O space tag */
    136 	bus_space_tag_t sc_memt;	/* CardBus MEM space tag */
    137 	bus_dma_tag_t sc_dmat;		/* DMA tag */
    138 
    139 	cardbus_chipset_tag_t sc_cc;	/* CardBus chipset */
    140 	cardbus_function_tag_t sc_cf;	/* CardBus function */
    141 
    142 	rbus_tag_t sc_rbus_iot;		/* CardBus i/o rbus tag */
    143 	rbus_tag_t sc_rbus_memt;	/* CardBus mem rbus tag */
    144 
    145 	int sc_cacheline;		/* cache line size */
    146 	int sc_max_lattimer;		/* No card's latency timer
    147 					 * may exceed this.  On a PCI-Cardbus
    148 					 * bridge, the latency timer on
    149 					 * the primary bus (PCI bus) sets
    150 					 * the maximum.
    151 					 */
    152 	int sc_poweron_func;
    153   struct cardbus_devfunc *sc_funcs[8];	/* list of cardbus device functions */
    154 };
    155 
    156 struct cardbus_conf_state {
    157 	pcireg_t reg[16];
    158 };
    159 
    160 /*
    161  * struct cardbus_devfunc:
    162  *
    163  *   This is the data deposit for each function of a CardBus device.
    164  *   This structure is used for memory or i/o space allocation and
    165  *   disallocation.
    166  */
    167 typedef struct cardbus_devfunc {
    168 	cardbus_chipset_tag_t ct_cc;
    169 	cardbus_function_tag_t ct_cf;
    170 	struct cardbus_softc *ct_sc;	/* pointer to the parent */
    171 	int ct_bus;			/* bus number */
    172 	int ct_func;			/* function number */
    173 
    174 	pcireg_t ct_bhlc;		/* Latency timer and cache line size */
    175 	/* u_int32_t ct_cisreg; */	/* CIS reg: is it needed??? */
    176 
    177 	device_t ct_device;	/* pointer to the device */
    178 
    179 	/* some data structure needed for tuple??? */
    180 } *cardbus_devfunc_t;
    181 
    182 
    183 /* XXX various things extracted from CIS */
    184 struct cardbus_cis_info {
    185 	int32_t		manufacturer;
    186 	int32_t		product;
    187 	char		cis1_info_buf[256];
    188 	char*		cis1_info[4];
    189 	struct cb_bar_info {
    190 		unsigned int flags;
    191 		unsigned int size;
    192 	} bar[7];
    193 	unsigned int	funcid;
    194 	union {
    195 		struct {
    196 			int uart_type;
    197 			int uart_present;
    198 		} serial;
    199 		struct {
    200 			char netid[6];
    201 			char netid_present;
    202 			char __filler;
    203 		} network;
    204 	} funce;
    205 };
    206 
    207 struct cardbus_attach_args {
    208 	cardbus_devfunc_t ca_ct;
    209 
    210 	bus_space_tag_t ca_iot;		/* CardBus I/O space tag */
    211 	bus_space_tag_t ca_memt;	/* CardBus MEM space tag */
    212 	bus_dma_tag_t ca_dmat;		/* DMA tag */
    213 
    214 	u_int ca_bus;
    215 	u_int ca_function;
    216 	pcitag_t ca_tag;
    217 	pcireg_t ca_id;
    218 	pcireg_t ca_class;
    219 
    220 	rbus_tag_t ca_rbus_iot;		/* CardBus i/o rbus tag */
    221 	rbus_tag_t ca_rbus_memt;	/* CardBus mem rbus tag */
    222 
    223 	struct cardbus_cis_info ca_cis;
    224 };
    225 
    226 
    227 #define CARDBUS_ENABLE  1	/* enable the channel */
    228 #define CARDBUS_DISABLE 2	/* disable the channel */
    229 #define CARDBUS_RESET   4
    230 #define CARDBUS_CD      7
    231 #  define CARDBUS_NOCARD 0
    232 #  define CARDBUS_5V_CARD 0x01	/* XXX: It must not exist */
    233 #  define CARDBUS_3V_CARD 0x02
    234 #  define CARDBUS_XV_CARD 0x04
    235 #  define CARDBUS_YV_CARD 0x08
    236 #define CARDBUS_IO_ENABLE    100
    237 #define CARDBUS_IO_DISABLE   101
    238 #define CARDBUS_MEM_ENABLE   102
    239 #define CARDBUS_MEM_DISABLE  103
    240 #define CARDBUS_BM_ENABLE    104 /* bus master */
    241 #define CARDBUS_BM_DISABLE   105
    242 
    243 #define CARDBUS_VCC_UC  0x0000
    244 #define CARDBUS_VCC_3V  0x0001
    245 #define CARDBUS_VCC_XV  0x0002
    246 #define CARDBUS_VCC_YV  0x0003
    247 #define CARDBUS_VCC_0V  0x0004
    248 #define CARDBUS_VCC_5V  0x0005	/* ??? */
    249 #define CARDBUS_VCCMASK 0x000f
    250 #define CARDBUS_VPP_UC  0x0000
    251 #define CARDBUS_VPP_VCC 0x0010
    252 #define CARDBUS_VPP_12V 0x0030
    253 #define CARDBUS_VPP_0V  0x0040
    254 #define CARDBUS_VPPMASK 0x00f0
    255 
    256 
    257 int cardbus_attach_card(struct cardbus_softc *);
    258 void cardbus_detach_card(struct cardbus_softc *);
    259 void *Cardbus_intr_establish(cardbus_devfunc_t,
    260     int, int (*)(void *), void *);
    261 void Cardbus_intr_disestablish(cardbus_devfunc_t, void *);
    262 void *cardbus_intr_establish(cardbus_chipset_tag_t, cardbus_function_tag_t,
    263     int, int (*) (void *), void *arg);
    264 void cardbus_intr_disestablish(cardbus_chipset_tag_t, cardbus_function_tag_t,
    265     void *);
    266 
    267 int cardbus_mapreg_map(struct cardbus_softc *, int, int, pcireg_t,
    268     int, bus_space_tag_t *, bus_space_handle_t *, bus_addr_t *, bus_size_t *);
    269 int cardbus_mapreg_unmap(struct cardbus_softc *, int, int,
    270     bus_space_tag_t, bus_space_handle_t, bus_size_t);
    271 
    272 int cardbus_function_enable(struct cardbus_softc *, int);
    273 int cardbus_function_disable(struct cardbus_softc *, int);
    274 
    275 int cardbus_get_capability(cardbus_chipset_tag_t, cardbus_function_tag_t,
    276     pcitag_t, int, int *, pcireg_t *);
    277 int cardbus_get_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t *);
    278 int cardbus_set_powerstate(cardbus_devfunc_t, pcitag_t, pcireg_t);
    279 
    280 void cardbus_conf_capture(cardbus_chipset_tag_t, cardbus_function_tag_t,
    281     pcitag_t, struct cardbus_conf_state *);
    282 void cardbus_conf_restore(cardbus_chipset_tag_t, cardbus_function_tag_t,
    283     pcitag_t, struct cardbus_conf_state *);
    284 
    285 #define Cardbus_function_enable(ct) cardbus_function_enable((ct)->ct_sc, (ct)->ct_func)
    286 #define Cardbus_function_disable(ct) cardbus_function_disable((ct)->ct_sc, (ct)->ct_func)
    287 
    288 
    289 
    290 #define Cardbus_mapreg_map(ct, reg, type, busflags, tagp, handlep, basep, sizep) \
    291 	cardbus_mapreg_map((ct)->ct_sc, (ct->ct_func), (reg), (type),\
    292 			   (busflags), (tagp), (handlep), (basep), (sizep))
    293 #define Cardbus_mapreg_unmap(ct, reg, tag, handle, size) \
    294 	cardbus_mapreg_unmap((ct)->ct_sc, (ct->ct_func), (reg), (tag), (handle), (size))
    295 
    296 #define Cardbus_make_tag(ct) (*(ct)->ct_cf->cardbus_make_tag)((ct)->ct_cc, (ct)->ct_bus, (ct)->ct_func)
    297 #define cardbus_make_tag(cc, cf, bus, function) ((cf)->cardbus_make_tag)((cc), (bus), (function))
    298 
    299 #define Cardbus_conf_read(ct, tag, offs) (*(ct)->ct_cf->cardbus_conf_read)((ct)->ct_cc, (tag), (offs))
    300 #define cardbus_conf_read(cc, cf, tag, offs) ((cf)->cardbus_conf_read)((cc), (tag), (offs))
    301 #define Cardbus_conf_write(ct, tag, offs, val) (*(ct)->ct_cf->cardbus_conf_write)((ct)->ct_cc, (tag), (offs), (val))
    302 #define cardbus_conf_write(cc, cf, tag, offs, val) ((cf)->cardbus_conf_write)((cc), (tag), (offs), (val))
    303 
    304 #endif /* !_DEV_CARDBUS_CARDBUSVAR_H_ */
    305